#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define rep(i, a, b) for (int i = (a); i <= (b); i++)
#define per(i, a, b) for (int i = (a); i >= (b); i--)
#define endl '\n'
const int N = 1e6 + 5;

int n, m;
int pos[N], sz[N], tot;

int main() {
  ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  cin >> n >> m;
  rep(i, 1, n) pos[i] = i, sz[i] = 1;
  while (m--) {
    int op, x, y;
    cin >> op;
    if (op == 1) {
      cin >> x >> y;
      if (--sz[pos[x]] == 1) tot--;
      pos[x] = y;
      if (++sz[pos[x]] == 2) tot++;
    } else {
      cout << tot << endl;
    }
  }
  return 0;
}